On http://www.dwavesys.com/d-wave-two-system they compare a supercomputer using almost 2 gW while 2X uses 27 kW when you factor in "the fridge". Megawatt

On http://www.dwavesys.com/d-wave-two-system they compare a supercomputer using almost 2 gW while 2X uses 27 kW when you factor in "the fridge". Megawatts, not gigawatts. A gigawatt is a thousand times larger than a megawatt, and a million times larger than a kilowatt. A two gigawatt computer would consume the entire output of a large coal power station, such as https://en.wikipedia.org/wiki/Homer_City_Generating_Station https://en.wikipedia.org/wiki/Homer_City_Generating_Station